Alarm apparatus



FIG. 1 is a right front perspective view of the alarm apparatus embodying my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is end view thereof; and,

FIG. 5 is an opposite end view thereof.

It will be understood that the dashed lines presented in the drawings are for illustration only, and do not form a part of the claimed design. 

I claim the ornamental design for an alarm apparatus, as shown and described. 